# HG changeset patch
# User Jimi Xenidis <[EMAIL PROTECTED]>
# Node ID 933613959bf6a8e48a43e1cd93d4afae4a660ec8
# Parent c52ba3176a285683f00beaa2e82d2ed39bcedae8
[LINUX][POWERPC] oops on making the short pointer
Signed-off-by: Jimi Xenidis <[EMAIL PROTECTED]>
---
include/asm-powerpc/xen/asm/synch_bitops.h | 4 +++-
1 files changed, 3 insertions(+), 1 deletion(-)
diff -r c52ba3176a28 -r 933613959bf6 include/asm-powerpc/xen/asm/synch_bitops.h
--- a/include/asm-powerpc/xen/asm/synch_bitops.h Thu Sep 28 12:26:59
2006 -0400
+++ b/include/asm-powerpc/xen/asm/synch_bitops.h Wed Oct 04 11:20:16
2006 -0400
@@ -20,7 +20,7 @@ __synch_cmpxchg_u16(volatile unsigned sh
__synch_cmpxchg_u16(volatile unsigned short *p, unsigned long old, unsigned
long new)
{
int idx;
- volatile unsigned int *xp = (unsigned int *)((ulong)p & 0x3);
+ volatile unsigned int *xp = (unsigned int *)((ulong)p & ~(0x3UL));
union {
unsigned int word;
struct {
@@ -71,6 +71,8 @@ __synch_cmpxchg(volatile void *ptr, unsi
(unsigned long)_n_, sizeof(*(ptr))); \
})
+#define synch_cmpxchg_subword(ptr,o,n) __synch_cmpxchg_u16((ptr), (o), (n))
+
#else
#error "this only works for CONFIG_SMP"
#endif
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